diff --git a/main.py b/main.py
index 8a54529..1d7786e 100644
--- a/main.py
+++ b/main.py
@@ -2,6 +2,8 @@
 import random
 import argparse
 import paho.mqtt.client as mqtt
+import base64
+import sys
 
 def on_raw(args, actor_name, data):
     client = mqtt.Client("fablock_actor_%05d" % random.randint(0, 99999))